204810880

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16843}}^1$

素因数の和:16881

約数の個数: 64

約数和(自身を含む): 515426400

約数和(自身を除く): 310615520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 12160, 16843, 33686, 67372, 84215, 134744, 168430, 269488, 320017, 336860, 538976, 640034, 673720, 1077952, 1280068, 1347440, 1600085, 2155904, 2560136, 2694880, 3200170, 5120272, 5389760, 6400340, 10240544, 10779520, 12800680, 20481088, 25601360, 40962176, 51202720, 102405440, 204810880]

約数ペア:

[(1, 204810880), (2, 102405440), (4, 51202720), (5, 40962176), (8, 25601360), (10, 20481088), (16, 12800680), (19, 10779520), (20, 10240544), (32, 6400340), (38, 5389760), (40, 5120272), (64, 3200170), (76, 2694880), (80, 2560136), (95, 2155904), (128, 1600085), (152, 1347440), (160, 1280068), (190, 1077952), (304, 673720), (320, 640034), (380, 538976), (608, 336860), (640, 320017), (760, 269488), (1216, 168430), (1520, 134744), (2432, 84215), (3040, 67372), (6080, 33686), (12160, 16843)]